1978 KENWORTH W900 Recalls (2)
- Campaign:
- 79V059000 on 10/11/1979
- Component:
- Parking brake:driveline:air
- Manufactured:
- 05/31/1978 - 10/31/1978
- Affected:
- 2,620
- Defect:
- The parking brake valves may have been incorrectly piped. if the parking brake piping is incorrectly routed, there is no way to set the tractor parking brakes independently of the trailer parking brakes. this could cause the parking brakes to back off while the trailer air supply is being charged, causing the tractor to roll.
- Correction:
- Trailer air supply will be moved from the discharge side of the tractor parking valve to the discharge side of the combination parking valve. this service will be done at no charge.
- Notes:
- Vehicle description: trucks.system: parking emergency brakes; air, valve, control.consequences of defect: if the tractor and trailer roll free, a vehicleaccident and personal injury may occur.
- Campaign:
- 79V179000 on 10/11/1979
- Component:
- Service brakes, air:supply:reservoir
- Affected:
- 2,000
- Defect:
- Some of the involved vehicles do not comply with federal motor vehicle safety standard no. 121, "air brake systems". the air reservoir capacity is below that allowed by the standard.
- Correction:
- Dealer will either replace the existing tank with a larger tank or add a second tank, without charge to owner.
- Notes:
- Vehicle description: trucks.system: service brakes; air supply reservoir.consequences of defect: under certain driving conditions which may requirerepeated brake applications, air supply could be depleted and braking actionlost. a vehicle accident could result.
1978 KENWORTH W900 TSBs (2)
- Bulletin:
- TIB-E-009
- Component:
- 061200 engine and engine cooling:engine:diesel
- Summary:
- Paccar: a software update is causing the check engine light to come on. *rm
- Bulletin:
- TIB-E011
- Component:
- 063000 engine and engine cooling:exhaust system
- Summary:
- Paccar: engineering standards have changed and there are now engines with heat treated bolts. *rm
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